Alright, let's work through 7874 times 9810 step by step
7874 × 9810 = 9810 × (7874)
+ 9810 × 4 what gives us 39240
+ 9810 × 70 resulting in 686700
+ 9810 × 800 that results in 7848000
+ 9810 × 7000 that equals 68670000

= 77243940
